64172780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{458377}}^1$

素因数の和:458393

約数の個数: 24

約数和(自身を含む): 154015008

約数和(自身を除く): 89842228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 458377, 916754, 1833508, 2291885, 3208639, 4583770, 6417278, 9167540, 12834556, 16043195, 32086390, 64172780]

約数ペア:

[(1, 64172780), (2, 32086390), (4, 16043195), (5, 12834556), (7, 9167540), (10, 6417278), (14, 4583770), (20, 3208639), (28, 2291885), (35, 1833508), (70, 916754), (140, 458377)]